A026019 as tables, graphs or sounds

A026019 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`3`
`2`		`15`
`3`		`83`
`4`		`483`
`5`		`2898`
`6`		`17748`
`7`		`110295`
`8`		`692967`
`9`		`4390815`
`10`		`28009215`
`11`		`179652564`
`12`		`1157534420`
`13`		`7486680048`
`14`		`48579667704`
`15`		`316107403839`
`16`		`2061920664351`
`17`		`13478362911825`
`18`		`88272020923485`
`19`		`579081767982795`
`20`		`3804622827123195`

[1,3,15,83,483,2898,17748,110295,692967,4390815, 28009215,179652564,1157534420,7486680048, 48579667704,316107403839,2061920664351, 13478362911825,88272020923485,579081767982795, 3804622827123195]

Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

AT&T Labs Research